Pandukal people

From The stone bead industry of Southern India
“This burial practice is believed by some scholars to be intrusive to India and these people were

possibly outsiders. They may have entered what is now India early in the second millennium B.C. and were settled in the central peninsula by the middle to late second millennium. Another early date for them (905-780 B.C.) is at Korkhai, at the very tip of the peninsula, once the center of pearl fishing (Moorti 1994:4-5). 

As the Pandukal people moved into South India, they introduced several traits : horsemanship, iron and gold technologies, and stone beadmaking.”